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authorSven Eckelmann <sven@narfation.org>2011-05-14 23:14:50 +0200
committerSven Eckelmann <sven@narfation.org>2011-05-30 07:39:31 +0200
commit747e4221a03cde62402b614ca1f8e961b8416130 (patch)
tree98428064fef191a5093e276d5a779b9e801a97f0 /net/batman-adv/hash.h
parent38e3c5f0dae7a3bbb32c3b2bb28c3f2557d40fe9 (diff)
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batman-adv: Add const type qualifier for pointers
batman-adv uses pointers which are marked as const and should not violate that type qualifier by passing it to functions which force a cast to the non-const version. Signed-off-by: Sven Eckelmann <sven@narfation.org>
Diffstat (limited to 'net/batman-adv/hash.h')
-rw-r--r--net/batman-adv/hash.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/batman-adv/hash.h b/net/batman-adv/hash.h
index 434822b27473..dd5c9fd7a905 100644
--- a/net/batman-adv/hash.h
+++ b/net/batman-adv/hash.h
@@ -28,12 +28,12 @@
* compare 2 element datas for their keys,
* return 0 if same and not 0 if not
* same */
-typedef int (*hashdata_compare_cb)(struct hlist_node *, void *);
+typedef int (*hashdata_compare_cb)(const struct hlist_node *, const void *);
/* the hashfunction, should return an index
* based on the key in the data of the first
* argument and the size the second */
-typedef int (*hashdata_choose_cb)(void *, int);
+typedef int (*hashdata_choose_cb)(const void *, int);
typedef void (*hashdata_free_cb)(struct hlist_node *, void *);
struct hashtable_t {
@@ -80,7 +80,7 @@ static inline void hash_delete(struct hashtable_t *hash,
static inline int hash_add(struct hashtable_t *hash,
hashdata_compare_cb compare,
hashdata_choose_cb choose,
- void *data, struct hlist_node *data_node)
+ const void *data, struct hlist_node *data_node)
{
int index;
struct hlist_head *head;